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United States Patent | 6,005,128 |
Tamao ,   et al. | December 21, 1999 |
The present invention provides a silacyclopentadiene derivative represented by the following Formula (1): ##STR1## wherein X.sub.1 and Y.sub.1 represent independently a halogen atom, an amino group, a hydroxyl group, or an amino group or a hydroxyl group each having a substituent; R.sub.1 to R.sub.4 represent independently a hydrogen atom, a halogen atom, an alkyl group, an amino group, a silyl group, an aryl group, a cyano group, or the respective groups describe above each having a substituent; out of the groups represented by R.sub.1 to R.sub.4, those adjacent may be combined with each other to form rings; when R.sub.1 and R.sub.4 are phenyl groups or when combined are R.sub.1 with R.sub.2 and R.sub.3 with R.sub.4 respectively to form benzene rings, X.sub.1 and Y.sub.1 are not a chlorine atom or a hydroxyl group; and when R.sub.1 and R.sub.4 are methyl groups, X.sub.1 and Y.sub.1 are not bromine atoms.
Inventors: | Tamao; Kohei (Kyoto, JP); Yamaguchi; Shigehiro (Kyoto, JP); Uchida; Manabu (Kanagawa, JP) |
Assignee: | Chisso Corporation (Osaka, JP) |
Appl. No.: | 037794 |
Filed: | March 10, 1998 |
Mar 11, 1997[JP] | 9-074500 | |
Dec 16, 1997[JP] | 9-363498 |
Current U.S. Class: | 556/406; 534/558; 546/14; 546/229; 556/412 |
Intern'l Class: | C07F 007/10 |
Field of Search: | 556/406,412 534/558 544/229 546/14 |
3151140 | Sep., 1964 | Hubel et al. | 556/406. |
3426052 | Feb., 1969 | Hubel et al. | 556/406. |
4104295 | Aug., 1978 | Klosowski et al. | 556/406. |
5498736 | Mar., 1996 | Tamao et al. | 556/406. |
Foreign Patent Documents | |||
6-100669 | Apr., 1994 | JP. | |
6-166746 | Jun., 1994 | JP. | |
7-179477 | Jul., 1995 | JP. | |
7-300489 | Nov., 1995 | JP. |
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